If you enjoy deep historical strategy, the game and its expansions are frequently on sale for very low prices on legitimate platforms:
Unique "Sumie-e" (Japanese ink wash painting) aesthetic that makes the battlefield look like a living historical scroll. The Expansion: Mandate of Heaven sengoku-jidai-shadow-of-the-shogun-mandate-of-heaven-skidrow
The Ming expedition against the Mongols. If you enjoy deep historical strategy, the game
Hex-based tactical battles where terrain, unit facing, and generalship are more important than raw numbers. Released in 2016 and published by Slitherine Ltd
Released in 2016 and published by Slitherine Ltd., Sengoku Jidai is a turn-based tactical and strategic game set during the "Warring States" period of Japan. It uses a refined version of the Field of Glory engine, focusing on historical realism, unit positioning, and morale. 16th and 17th-century Japan, Korea, and China.
Direct support for the niche strategy publisher.